Table 3.
Adjusted odds ratios for selected individual covariates for 30-day and 365-day mortality multilevel models
| 30-day mortality | 365-day mortality | |||||
|---|---|---|---|---|---|---|
| |
AOR |
95% CI |
p-value |
AOR |
95% CI |
p-value |
| Sex |
|
|
|
|
|
|
| Male (ref) |
1.00 |
|
.211 |
1.00 |
|
.853 |
| Female |
1.04 |
0.98-1.11 |
|
1.01 |
0.95-1.06 |
|
| Age group |
|
|
|
|
|
|
| 25-34 |
1.20 |
0.79-1.83 |
<.001 |
0.92 |
0.61-1.37 |
<.001 |
| 35-44 |
0.73 |
0.59-0.91 |
|
0.58 |
0.48-0.72 |
|
| 45-54 |
0.80 |
0.70-0.92 |
|
0.74 |
0.66-0.83 |
|
| 55-64 (ref) |
1.00 |
|
|
1.00 |
|
|
| 65-74 |
1.52 |
1.38-1.68 |
|
1.70 |
1.57-1.85 |
|
| 75-84 |
2.30 |
2.10-2.53 |
|
3.09 |
2.86-3.34 |
|
| Comorbid conditionsa |
|
|
|
|
|
|
| Shock |
11.54 |
10.12-13.16 |
<.001 |
7.94 |
6.94-9.09 |
<.001 |
| Severe liver disease |
3.80 |
2.36-6.11 |
<.001 |
2.60 |
1.63-4.17 |
<.001 |
| Cardiac dysrhythmias |
2.69 |
2.53-2.86 |
<.001 |
2.18 |
2.06-2.30 |
<.001 |
| Dementia |
2.30 |
1.87-2.84 |
<.001 |
2.72 |
2.25-3.30 |
<.001 |
| Cancer |
2.18 |
1.92-2.47 |
<.001 |
4.45 |
4.00-4.95 |
<.001 |
| Acute renal failure |
2.02 |
1.82-2.25 |
<.001 |
2.00 |
1.82-2.19 |
<.001 |
| Cerebrovascular disease |
1.53 |
1.33-1.77 |
<.001 |
1.47 |
1.29-1.66 |
<.001 |
| Peripheral vascular disease |
1.32 |
1.11-1.57 |
<.001 |
1.30 |
1.12-1.51 |
<.001 |
| Pulmonary disease |
1.25 |
1.14-1.37 |
<.001 |
1.56 |
1.45-1.67 |
<.001 |
| Pulmonary oedema |
1.22 |
0.99-1.51 |
.056 |
1.50 |
1.26-1.80 |
<.001 |
| Congestive heart failure |
1.20 |
1.12-1.30 |
<.001 |
1.81 |
1.70-1.92 |
<.001 |
| Paraplegia |
1.08 |
0.89-1.31 |
.424 |
1.43 |
1.21-1.69 |
<.001 |
| Chronic renal failure |
1.06 |
0.95-1.17 |
.282 |
1.56 |
1.44-1.70 |
<.001 |
| Liver disease |
0.97 |
0.55-1.69 |
.913 |
2.42 |
1.55-3.79 |
<.001 |
| Diabetes with complications |
0.89 |
0.82-0.97 |
.007 |
1.10 |
1.03-1.18 |
.003 |
| Connective tissue disorder |
0.81 |
0.62-1.04 |
.096 |
1.18 |
0.97-1.43 |
.090 |
| Remoteness of residenceb | ||||||
| Major city (ref) |
1.00 |
|
.223 |
1.00 |
|
.685 |
| Inner regional |
0.95 |
0.86-1.06 |
|
0.95 |
0.87-1.04 |
|
| Outer regional |
1.08 |
0.94-1.24 |
|
1.00 |
0.89-1.12 |
|
| Remote/very remote |
1.16 |
0.84-1.58 |
|
0.96 |
0.73-1.27 |
|
| Socio-economic statusc | ||||||
| 1st quintile - least disadvantaged (ref) |
1.00 |
|
.033 |
1.00 |
|
<.001 |
| 2nd quintile |
1.15 |
0.99-1.32 |
|
1.11 |
0.98-1.25 |
|
| 3rd quintile |
1.10 |
0.95-1.28 |
|
1.18 |
1.04-1.34 |
|
| 4th quintile |
1.17 |
1.00-1.36 |
|
1.23 |
1.08-1.39 |
|
| 5th quintile - most disadvantaged | 1.27 | 1.08-1.48 | 1.32 | 1.16-1.51 | ||
Adjusted odds ratios for selected covariates from Model 5A for 30-day mortality and Model 5B for 365-day mortality.
AOR, adjusted odds ratio; CI, confidence interval; Ref, referent group in the analysis.
a Comorbid conditions with one-year look-back, including comorbidities on current admission and any admissions in the previous year.
b Accessibility/Remoteness Index of Australia (ARIA+) based on statistical local area of residence.
c Socio-Economic Indices for Areas (SEIFA) Index of Relative Socio-Economic Disadvantage population quintiles based on statistical local area of residence.